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  <title>Class: Erubis::TinyEruby</title>
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    <div id="classHeader">
        <table class="header-table">
        <tr class="top-aligned-row">
          <td><strong>Class</strong></td>
          <td class="class-name-in-header">Erubis::TinyEruby</td>
        </tr>
        <tr class="top-aligned-row">
            <td><strong>In:</strong></td>
            <td>
                <a href="../../files/erubis/tiny_rb.html">
                erubis/tiny.rb
                </a>
        <br />
            </td>
        </tr>

        <tr class="top-aligned-row">
            <td><strong>Parent:</strong></td>
            <td>
                Object
            </td>
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    <div id="description">
      <p>
tiny and the simplest implementation of eRuby
</p>
<p>
ex.
</p>
<pre>
  eruby = TinyEruby.new(File.read('example.rhtml'))
  print eruby.src                 # print ruby code
  print eruby.result(binding())   # eval ruby code with Binding object
  print eruby.evalute(context)    # eval ruby code with context object
</pre>

    </div>


   </div>

    <div id="method-list">
      <h3 class="section-bar">Methods</h3>

      <div class="name-list">
      <a href="#M000206">convert</a>&nbsp;&nbsp;
      <a href="#M000208">evaluate</a>&nbsp;&nbsp;
      <a href="#M000205">new</a>&nbsp;&nbsp;
      <a href="#M000207">result</a>&nbsp;&nbsp;
      </div>
    </div>

  </div>


    <!-- if includes -->

    <div id="section">


    <div id="constants-list">
      <h3 class="section-bar">Constants</h3>

      <div class="name-list">
        <table summary="Constants">
        <tr class="top-aligned-row context-row">
          <td class="context-item-name">EMBEDDED_PATTERN</td>
          <td>=</td>
          <td class="context-item-value">/&lt;%(=+|\#)?(.*?)-?%&gt;/m</td>
        </tr>
        </table>
      </div>
    </div>



    <div id="attribute-list">
      <h3 class="section-bar">Attributes</h3>

      <div class="name-list">
        <table>
        <tr class="top-aligned-row context-row">
          <td class="context-item-name">src</td>
          <td class="context-item-value">&nbsp;[R]&nbsp;</td>
          <td class="context-item-desc"></td>
        </tr>
        </table>
      </div>
    </div>
      


    <!-- if method_list -->
    <div id="methods">
      <h3 class="section-bar">Public Class methods</h3>

      <div id="method-M000205" class="method-detail">
        <a name="M000205"></a>

        <div class="method-heading">
          <a href="#M000205" class="method-signature">
          <span class="method-name">new</span><span class="method-args">(input=nil)</span>
          </a>
        </div>
      
        <div class="method-description">
          <p><a class="source-toggle" href="#"
            onclick="toggleCode('M000205-source');return false;">[Source]</a></p>
          <div class="method-source-code" id="M000205-source">
<pre>
<span class="ruby-comment cmt"># File erubis/tiny.rb, line 19</span>
    <span class="ruby-keyword kw">def</span> <span class="ruby-identifier">initialize</span>(<span class="ruby-identifier">input</span>=<span class="ruby-keyword kw">nil</span>)
      <span class="ruby-ivar">@src</span> = <span class="ruby-identifier">convert</span>(<span class="ruby-identifier">input</span>) <span class="ruby-keyword kw">if</span> <span class="ruby-identifier">input</span>
    <span class="ruby-keyword kw">end</span>
</pre>
          </div>
        </div>
      </div>

      <h3 class="section-bar">Public Instance methods</h3>

      <div id="method-M000206" class="method-detail">
        <a name="M000206"></a>

        <div class="method-heading">
          <a href="#M000206" class="method-signature">
          <span class="method-name">convert</span><span class="method-args">(input)</span>
          </a>
        </div>
      
        <div class="method-description">
          <p><a class="source-toggle" href="#"
            onclick="toggleCode('M000206-source');return false;">[Source]</a></p>
          <div class="method-source-code" id="M000206-source">
<pre>
<span class="ruby-comment cmt"># File erubis/tiny.rb, line 26</span>
    <span class="ruby-keyword kw">def</span> <span class="ruby-identifier">convert</span>(<span class="ruby-identifier">input</span>)
      <span class="ruby-identifier">src</span> = <span class="ruby-value str">&quot;_buf = '';&quot;</span>           <span class="ruby-comment cmt"># preamble</span>
      <span class="ruby-identifier">pos</span> = <span class="ruby-value">0</span>
      <span class="ruby-identifier">input</span>.<span class="ruby-identifier">scan</span>(<span class="ruby-constant">EMBEDDED_PATTERN</span>) <span class="ruby-keyword kw">do</span> <span class="ruby-operator">|</span><span class="ruby-identifier">indicator</span>, <span class="ruby-identifier">code</span><span class="ruby-operator">|</span>
        <span class="ruby-identifier">m</span> = <span class="ruby-constant">Regexp</span>.<span class="ruby-identifier">last_match</span>
        <span class="ruby-identifier">text</span> = <span class="ruby-identifier">input</span>[<span class="ruby-identifier">pos</span><span class="ruby-operator">...</span><span class="ruby-identifier">m</span>.<span class="ruby-identifier">begin</span>(<span class="ruby-value">0</span>)]
        <span class="ruby-identifier">pos</span>  = <span class="ruby-identifier">m</span>.<span class="ruby-identifier">end</span>(<span class="ruby-value">0</span>)
        <span class="ruby-comment cmt">#src &lt;&lt; &quot; _buf &lt;&lt; '&quot; &lt;&lt; escape_text(text) &lt;&lt; &quot;';&quot;</span>
        <span class="ruby-identifier">text</span>.<span class="ruby-identifier">gsub!</span>(<span class="ruby-regexp re">/['\\]/</span>, <span class="ruby-value str">'\\\\\&amp;'</span>)
        <span class="ruby-identifier">src</span> <span class="ruby-operator">&lt;&lt;</span> <span class="ruby-value str">&quot; _buf &lt;&lt; '&quot;</span> <span class="ruby-operator">&lt;&lt;</span> <span class="ruby-identifier">text</span> <span class="ruby-operator">&lt;&lt;</span> <span class="ruby-value str">&quot;';&quot;</span> <span class="ruby-keyword kw">unless</span> <span class="ruby-identifier">text</span>.<span class="ruby-identifier">empty?</span>
        <span class="ruby-keyword kw">if</span> <span class="ruby-operator">!</span><span class="ruby-identifier">indicator</span>              <span class="ruby-comment cmt"># &lt;% %&gt;</span>
          <span class="ruby-identifier">src</span> <span class="ruby-operator">&lt;&lt;</span> <span class="ruby-identifier">code</span> <span class="ruby-operator">&lt;&lt;</span> <span class="ruby-value str">&quot;;&quot;</span>
        <span class="ruby-keyword kw">elsif</span> <span class="ruby-identifier">indicator</span> <span class="ruby-operator">==</span> <span class="ruby-value str">'#'</span>     <span class="ruby-comment cmt"># &lt;%# %&gt;</span>
          <span class="ruby-identifier">src</span> <span class="ruby-operator">&lt;&lt;</span> (<span class="ruby-value str">&quot;\n&quot;</span> <span class="ruby-operator">*</span> <span class="ruby-identifier">code</span>.<span class="ruby-identifier">count</span>(<span class="ruby-value str">&quot;\n&quot;</span>))
        <span class="ruby-keyword kw">else</span>                       <span class="ruby-comment cmt"># &lt;%= %&gt;</span>
          <span class="ruby-identifier">src</span> <span class="ruby-operator">&lt;&lt;</span> <span class="ruby-value str">&quot; _buf &lt;&lt; (&quot;</span> <span class="ruby-operator">&lt;&lt;</span> <span class="ruby-identifier">code</span> <span class="ruby-operator">&lt;&lt;</span> <span class="ruby-value str">&quot;).to_s;&quot;</span>
        <span class="ruby-keyword kw">end</span>
      <span class="ruby-keyword kw">end</span>
      <span class="ruby-comment cmt">#rest = $' || input                        # ruby1.8</span>
      <span class="ruby-identifier">rest</span> = <span class="ruby-identifier">pos</span> <span class="ruby-operator">==</span> <span class="ruby-value">0</span> <span class="ruby-operator">?</span> <span class="ruby-identifier">input</span> <span class="ruby-operator">:</span> <span class="ruby-identifier">input</span>[<span class="ruby-identifier">pos</span><span class="ruby-operator">..</span><span class="ruby-value">-1</span>]   <span class="ruby-comment cmt"># ruby1.9</span>
      <span class="ruby-comment cmt">#src &lt;&lt; &quot; _buf &lt;&lt; '&quot; &lt;&lt; escape_text(rest) &lt;&lt; &quot;';&quot;</span>
      <span class="ruby-identifier">rest</span>.<span class="ruby-identifier">gsub!</span>(<span class="ruby-regexp re">/['\\]/</span>, <span class="ruby-value str">'\\\\\&amp;'</span>)
      <span class="ruby-identifier">src</span> <span class="ruby-operator">&lt;&lt;</span> <span class="ruby-value str">&quot; _buf &lt;&lt; '&quot;</span> <span class="ruby-operator">&lt;&lt;</span> <span class="ruby-identifier">rest</span> <span class="ruby-operator">&lt;&lt;</span> <span class="ruby-value str">&quot;';&quot;</span> <span class="ruby-keyword kw">unless</span> <span class="ruby-identifier">rest</span>.<span class="ruby-identifier">empty?</span>
      <span class="ruby-identifier">src</span> <span class="ruby-operator">&lt;&lt;</span> <span class="ruby-value str">&quot;\n_buf.to_s\n&quot;</span>       <span class="ruby-comment cmt"># postamble</span>
      <span class="ruby-keyword kw">return</span> <span class="ruby-identifier">src</span>
    <span class="ruby-keyword kw">end</span>
</pre>
          </div>
        </div>
      </div>

      <div id="method-M000208" class="method-detail">
        <a name="M000208"></a>

        <div class="method-heading">
          <a href="#M000208" class="method-signature">
          <span class="method-name">evaluate</span><span class="method-args">(_context=Object.new)</span>
          </a>
        </div>
      
        <div class="method-description">
          <p><a class="source-toggle" href="#"
            onclick="toggleCode('M000208-source');return false;">[Source]</a></p>
          <div class="method-source-code" id="M000208-source">
<pre>
<span class="ruby-comment cmt"># File erubis/tiny.rb, line 61</span>
    <span class="ruby-keyword kw">def</span> <span class="ruby-identifier">evaluate</span>(<span class="ruby-identifier">_context</span>=<span class="ruby-constant">Object</span>.<span class="ruby-identifier">new</span>)
      <span class="ruby-keyword kw">if</span> <span class="ruby-identifier">_context</span>.<span class="ruby-identifier">is_a?</span>(<span class="ruby-constant">Hash</span>)
        <span class="ruby-identifier">_obj</span> = <span class="ruby-constant">Object</span>.<span class="ruby-identifier">new</span>
        <span class="ruby-identifier">_context</span>.<span class="ruby-identifier">each</span> <span class="ruby-keyword kw">do</span> <span class="ruby-operator">|</span><span class="ruby-identifier">k</span>, <span class="ruby-identifier">v</span><span class="ruby-operator">|</span> <span class="ruby-identifier">_obj</span>.<span class="ruby-identifier">instance_variable_set</span>(<span class="ruby-node">&quot;@#{k}&quot;</span>, <span class="ruby-identifier">v</span>) <span class="ruby-keyword kw">end</span>
        <span class="ruby-identifier">_context</span> = <span class="ruby-identifier">_obj</span>
      <span class="ruby-keyword kw">end</span>
      <span class="ruby-identifier">_context</span>.<span class="ruby-identifier">instance_eval</span> <span class="ruby-ivar">@src</span>
    <span class="ruby-keyword kw">end</span>
</pre>
          </div>
        </div>
      </div>

      <div id="method-M000207" class="method-detail">
        <a name="M000207"></a>

        <div class="method-heading">
          <a href="#M000207" class="method-signature">
          <span class="method-name">result</span><span class="method-args">(_binding=TOPLEVEL_BINDING)</span>
          </a>
        </div>
      
        <div class="method-description">
          <p>
def escape_text(text)
</p>
<pre>
  return text.gsub!(/['\\]/, '\\\\\&amp;') || text
</pre>
<p>
end
</p>
          <p><a class="source-toggle" href="#"
            onclick="toggleCode('M000207-source');return false;">[Source]</a></p>
          <div class="method-source-code" id="M000207-source">
<pre>
<span class="ruby-comment cmt"># File erubis/tiny.rb, line 57</span>
    <span class="ruby-keyword kw">def</span> <span class="ruby-identifier">result</span>(<span class="ruby-identifier">_binding</span>=<span class="ruby-constant">TOPLEVEL_BINDING</span>)
      <span class="ruby-identifier">eval</span> <span class="ruby-ivar">@src</span>, <span class="ruby-identifier">_binding</span>
    <span class="ruby-keyword kw">end</span>
</pre>
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